Providers Our Physicians Ali J. Piper, M.D. Douglas R. Fiedler, M.D., FCCP Harvey A. J. Hopkins, M.D., FCCP Jake D. Riggle, MD, PhD Jeffrey E. Jarrett, M.D. John F. Trapp, M.D., FCCP Jonathan L. Spencer, M.D., FCCP Kevin J. Reichmuth, M.D., FCCP Louis A.D. Violi, MD, FCCP Matt Maslonka, M.D. Radu F. Neamu, MD, FCCP Ryan A. Martin, M.D., FCCP Sean G. Barry, MD William M. Johnson, M.D., FCCP Our Advanced Practice Clinicians Lindsey McLean, APRN Amy J. King, APRN Ann E. Walker, APRN Anna Seeley, PA-C Erin Moses, PA-C Jennifer Miller, PhD, APRN Jill Heidbrink, APRN LaDeana Smedlund, APRN Lauren Hays, APRN Miata J. Wallace, PA-C Michelle M. Tyser, PA-C Natalie Neifert, APRN Nic Genrich, APRN Sarah Dolezal, PA-C Sarah Froehlich, PA-C
